Novak Djokovic clinched his third Grand Slam title of 2015 and 10th career major triumph over sentimental favourite Roger Federer in the US Open final in New York on Sunday. Novak Djokovic handled everything in a thrill-a-minute final on a frenetic night. Frustrating Roger Federer with his relentless defense and unparalleled returning, Djokovic took control late and held on for a 6-4, 5-7, 6-4, 6-4 victory in New York to earn his second U.S. Open title, the third major championship of the year and the 10th Grand Slam trophy in all.